Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
439041283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21209989549480214750172270.82019-12-07 19:08:21
History
DateUserTypeResult
2025-03-27James HeinrichF
Factor: 2120998954948021475017 / TF: 70-71
2019-12-07Smok_bmv F
Factor: 2120998954948021475017 / TF: 70-71*
2018-10-24Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-10-03Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-01-17sasakiNF
no factor from 2^68 to 2^69
2016-01-13sasakiNF
no factor from 2^66 to 2^68
2014-08-22GrunwalderGIMPNF
no factor from 2^65 to 2^66
2011-11-21CandideNF
no factor from 2^64 to 2^65
2010-03-22Architects CubedNF
no factor from 2^63 to 2^64